The Specialized CG-R seatpost extends the concept that “Smoother is Faster.” This revolutionary post features 18mm of vertical compliance, Zertz vibration damping, and FACT carbon construction. The CG-R delivers unsurpassed comfort, control, and efficiency without adding weight or complication to the frame. No matter what surface your ride takes you on, the CG-R will make it better. - Revolutionary design allows 18mm of vertical compliance. - FACT carbon construction blends durability and comfort. - Vibration-damping Zertz for increased comfort. - Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt. - Diameter: 27.2mm

Specialized's Command Post IRCC, offers Cruiser Control technology. With ten micro-adjust positions, you'll always be able to find just the right saddle height for descending like Gwin or climbing like Sauser. - Patented mechanical locking system with the addition of Cruiser Control Technology. - Cruiser Control technology features added positions in the cruiser control range. - Bonded lightweight aluminum micro-adjustable “alien” style head. - Dual-keyway system eliminates saddle wiggle. - Energized triple-lip wiper prevents contamination. - Durable zero-gap, dual-lip x-ring internal seal ensures long-term durability. - Ships with SRL and grip mounted lever.